Home / 110,319.65-165,485.72-31,440.02

Finding the Fourth Proportional to 110,319.65, 165,485.72 and 31,440.02

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Solution

The fourth proportional to 110,319.65, 165,485.72 and 31,440.02 is: 47,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,319.65 : 165,485.72 = 31,440.02 : x
  2. Step 2: Convert to fraction form
    110,319.65/165,485.72 = 31,440.02/x
  3. Step 3: Cross multiply
    110,319.65x = 165,485.72 × 31,440.02
  4. Step 4: Simplify right side
    110,319.65x = 5,202,874,838.83
  5. Step 5: Solve for x
    x = 5,202,874,838.83/110,319.65
  6. Step 6: Final answer
    x = 47,161.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.